rtp.h File Reference

Go to the source code of this file.

Typedefs
typedef struct rtsp_stream_t	rtsp_stream_t
typedef struct rtsp_stream_id_t	rtsp_stream_id_t
typedef struct rtcp_sender_t	rtcp_sender_t
Functions
rtsp_stream_t *	RtspSetup (sout_stream_t *p_stream, const vlc_url_t *url)
void	RtspUnsetup (rtsp_stream_t *rtsp)
rtsp_stream_id_t *	RtspAddId (rtsp_stream_t *rtsp, sout_stream_id_t *sid, uint32_t ssrc, const char *dst, int ttl, unsigned loport, unsigned hiport)
void	RtspDelId (rtsp_stream_t *rtsp, rtsp_stream_id_t *)
char *	RtspAppendTrackPath (rtsp_stream_id_t *id, const char *base)
char *	SDPGenerate (sout_stream_t *p_stream, const char *rtsp_url)
uint32_t	rtp_compute_ts (const sout_stream_id_t *id, int64_t i_pts)
int	rtp_add_sink (sout_stream_id_t *id, int fd, bool rtcp_mux, uint16_t *seq)
void	rtp_del_sink (sout_stream_id_t *id, int fd)
uint16_t	rtp_get_seq (sout_stream_id_t *id)
int64_t	rtp_get_ts (const sout_stream_t *p_stream)
void	rtp_packetize_common (sout_stream_id_t *id, block_t *out, int b_marker, int64_t i_pts)
void	rtp_packetize_send (sout_stream_id_t *id, block_t *out)
size_t	rtp_mtu (const sout_stream_id_t *id)
int	rtp_packetize_mpa (sout_stream_id_t *, block_t *)
int	rtp_packetize_mpv (sout_stream_id_t *, block_t *)
int	rtp_packetize_ac3 (sout_stream_id_t *, block_t *)
int	rtp_packetize_split (sout_stream_id_t *, block_t *)
int	rtp_packetize_swab (sout_stream_id_t *, block_t *)
int	rtp_packetize_mp4a (sout_stream_id_t *, block_t *)
int	rtp_packetize_mp4a_latm (sout_stream_id_t *, block_t *)
int	rtp_packetize_h263 (sout_stream_id_t *, block_t *)
int	rtp_packetize_h264 (sout_stream_id_t *, block_t *)
int	rtp_packetize_amr (sout_stream_id_t *, block_t *)
int	rtp_packetize_spx (sout_stream_id_t *, block_t *)
int	rtp_packetize_t140 (sout_stream_id_t *, block_t *)
int	rtp_packetize_g726_16 (sout_stream_id_t *, block_t *)
int	rtp_packetize_g726_24 (sout_stream_id_t *, block_t *)
int	rtp_packetize_g726_32 (sout_stream_id_t *, block_t *)
int	rtp_packetize_g726_40 (sout_stream_id_t *, block_t *)
rtcp_sender_t *	OpenRTCP (vlc_object_t *obj, int rtp_fd, int proto, bool mux)
void	CloseRTCP (rtcp_sender_t *rtcp)
void	SendRTCP (rtcp_sender_t *restrict rtcp, const block_t *rtp)

---

Typedef Documentation

typedef struct rtcp_sender_t rtcp_sender_t

typedef struct rtsp_stream_id_t rtsp_stream_id_t

typedef struct rtsp_stream_t rtsp_stream_t

---

Function Documentation

void CloseRTCP

(

rtcp_sender_t *

rtcp

)

References rtcp_sender_t::handle, rtcp_sender_t::length, net_Close, NTPtime64(), rtcp_sender_t::payload, SetQWBE, and SetWBE.

Referenced by rtp_del_sink().

rtcp_sender_t* OpenRTCP	(	vlc_object_t *	obj,
		int	rtp_fd,
		int	proto,
		bool	mux
	)

References AF_UNSPEC, rtcp_sender_t::bytes, rtcp_sender_t::counter, dst, rtcp_sender_t::handle, rtcp_sender_t::length, net_Close, net_GetPeerAddress(), net_GetSockAddress(), net_OpenDgram, NI_MAXNUMERICHOST, NTPtime64(), rtcp_sender_t::packets, rtcp_sender_t::payload, SetQWBE, SetWBE, SOL_IP, src, and vlc_dup().

Referenced by rtp_add_sink().

int rtp_add_sink	(	sout_stream_id_t *	id,
		int	fd,
		bool	rtcp_mux,
		uint16_t *	seq
	)

References INSERT_ELEM, sout_stream_id_t::lock_sink, msg_Err, OpenRTCP(), sout_stream_id_t::p_stream, rtp_sink_t::rtcp, sout_stream_id_t::sinkc, sout_stream_id_t::sinkv, vlc_mutex_lock(), vlc_mutex_unlock(), VLC_OBJECT, and VLC_SUCCESS.

Referenced by Add(), rtp_listen_thread(), and RtspHandler().

uint32_t rtp_compute_ts	(	const sout_stream_id_t *	id,
		int64_t	i_pts
	)

References CLOCK_FREQ, and sout_stream_id_t::i_clock_rate.

Referenced by Add(), rtp_packetize_common(), and RtspHandler().

void rtp_del_sink	(	sout_stream_id_t *	id,
		int	fd
	)

References CloseRTCP(), sout_stream_id_t::lock_sink, net_Close, REMOVE_ELEM, rtp_sink_t::rtcp, rtp_sink_t::rtp_fd, sout_stream_id_t::sinkc, sout_stream_id_t::sinkv, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by Del(), RtspClientDel(), RtspDelId(), RtspHandler(), and ThreadSend().

uint16_t rtp_get_seq

(

sout_stream_id_t *

id

)

References sout_stream_id_t::lock_sink, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by RtspHandler().

int64_t rtp_get_ts

(

const sout_stream_t *

p_stream

)

References sout_stream_sys_t::i_npt_zero, sout_stream_sys_t::i_pts_zero, sout_stream_sys_t::lock_ts, mdate(), sout_stream_t::p_sys, vlc_mutex_lock(), vlc_mutex_unlock(), and VLC_TS_INVALID.

Referenced by RtspHandler().

size_t rtp_mtu

(

const sout_stream_id_t *

id

)

Returns:

configured max RTP payload size (including payload type-specific headers, excluding RTP and transport headers)

Referenced by rtp_packetize_ac3(), rtp_packetize_amr(), rtp_packetize_g726(), rtp_packetize_h263(), rtp_packetize_h264_nal(), rtp_packetize_mp4a(), rtp_packetize_mp4a_latm(), rtp_packetize_mpa(), rtp_packetize_mpv(), rtp_packetize_split(), rtp_packetize_spx(), rtp_packetize_swab(), rtp_packetize_t140(), and rtp_set_ptime().

int rtp_packetize_ac3	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), and VLC_SUCCESS.

Referenced by Add().

int rtp_packetize_amr	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

void rtp_packetize_common	(	sout_stream_id_t *	id,
		block_t *	out,
		int	b_marker,
		int64_t	i_pts
	)

References sout_stream_id_t::b_ts_init, block_t::i_buffer, sout_stream_sys_t::i_npt_zero, sout_stream_id_t::i_payload_type, sout_stream_sys_t::i_pts_offset, sout_stream_sys_t::i_pts_zero, sout_stream_id_t::i_sequence, sout_stream_sys_t::lock_ts, block_t::p_buffer, rtp_compute_ts(), sout_stream_id_t::ssrc, vlc_mutex_lock(), vlc_mutex_unlock(), and VLC_TS_INVALID.

Referenced by AccessOutGrabberWriteBuffer(), rtp_packetize_ac3(), rtp_packetize_amr(), rtp_packetize_g726(), rtp_packetize_h263(), rtp_packetize_h264_nal(), rtp_packetize_mp4a(), rtp_packetize_mp4a_latm(), rtp_packetize_mpa(), rtp_packetize_mpv(), rtp_packetize_split(), rtp_packetize_spx(), rtp_packetize_swab(), and rtp_packetize_t140().

int rtp_packetize_g726_16	(	sout_stream_id_t *	,
		block_t *
	)

References rtp_packetize_g726().

Referenced by Add().

int rtp_packetize_g726_24	(	sout_stream_id_t *	,
		block_t *
	)

References rtp_packetize_g726().

Referenced by Add().

int rtp_packetize_g726_32	(	sout_stream_id_t *	,
		block_t *
	)

References rtp_packetize_g726().

Referenced by Add().

int rtp_packetize_g726_40	(	sout_stream_id_t *	,
		block_t *
	)

References rtp_packetize_g726().

Referenced by Add().

int rtp_packetize_h263	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, RTP_H263_HEADER_SIZE, RTP_H263_PAYLOAD_START, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), SetWBE, VLC_EGENERIC, VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

int rtp_packetize_h264	(	sout_stream_id_t *	,
		block_t *
	)

References block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_packetize_h264_nal(), VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

int rtp_packetize_mp4a	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), SetWBE, VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

int rtp_packetize_mp4a_latm	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

int rtp_packetize_mpa	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), SetWBE, and VLC_SUCCESS.

Referenced by Add().

int rtp_packetize_mpv	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), SetDWBE, VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

void rtp_packetize_send	(	sout_stream_id_t *	id,
		block_t *	out
	)

References block_FifoPut(), and sout_stream_id_t::p_fifo.

Referenced by AccessOutGrabberWriteBuffer(), rtp_packetize_ac3(), rtp_packetize_amr(), rtp_packetize_g726(), rtp_packetize_h263(), rtp_packetize_h264_nal(), rtp_packetize_mp4a(), rtp_packetize_mp4a_latm(), rtp_packetize_mpa(), rtp_packetize_mpv(), rtp_packetize_split(), rtp_packetize_spx(), rtp_packetize_swab(), and rtp_packetize_t140().

int rtp_packetize_split	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

int rtp_packetize_spx	(	sout_stream_id_t *	,
		block_t *
	)

References block_Alloc(), block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

int rtp_packetize_swab	(	sout_stream_id_t *	,
		block_t *
	)

References __MIN, block_Alloc(), i, block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), swab(), VLC_SUCCESS, and VLC_TS_INVALID.

Referenced by Add().

int rtp_packetize_t140	(	sout_stream_id_t *	,
		block_t *
	)

References block_Alloc(), block_t::i_buffer, block_t::i_dts, block_t::i_length, block_t::i_pts, block_t::p_buffer, rtp_mtu(), rtp_packetize_common(), rtp_packetize_send(), and VLC_SUCCESS.

Referenced by Add().

rtsp_stream_id_t* RtspAddId	(	rtsp_stream_t *	rtsp,
		sout_stream_id_t *	sid,
		uint32_t	ssrc,
		const char *	dst,
		int	ttl,
		unsigned	loport,
		unsigned	hiport
	)

References rtsp_stream_id_t::dst, rtsp_stream_t::host, HTTPD_MSG_DESCRIBE, HTTPD_MSG_GETPARAMETER, HTTPD_MSG_PAUSE, HTTPD_MSG_PLAY, HTTPD_MSG_SETUP, HTTPD_MSG_TEARDOWN, httpd_UrlCatch(), httpd_UrlNewUnique(), msg_Dbg, rtsp_stream_t::owner, rtsp_stream_t::psz_path, RtspAppendTrackPath(), RtspCallbackId(), and rtsp_stream_t::track_id.

Referenced by Add(), and SDPHandleUrl().

char* RtspAppendTrackPath	(	rtsp_stream_id_t *	id,
		const char *	base
	)

References asprintf(), and rtsp_stream_id_t::track_id.

Referenced by RtspAddId(), RtspHandler(), and SDPGenerate().

void RtspDelId	(	rtsp_stream_t *	rtsp,
		rtsp_stream_id_t *
	)

References rtsp_strack_t::fd, httpd_UrlDelete(), i, rtsp_strack_t::id, rtsp_stream_t::lock, REMOVE_ELEM, rtp_del_sink(), rtsp_stream_t::sessionc, rtsp_stream_t::sessionv, rtsp_stream_id_t::sout_id, rtsp_session_t::trackc, rtsp_session_t::trackv, rtsp_stream_id_t::url, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by Del().

rtsp_stream_t* RtspSetup	(	sout_stream_t *	p_stream,
		const vlc_url_t *	url
	)

References rtsp_stream_t::host, httpd_HostNew(), HTTPD_MSG_DESCRIBE, HTTPD_MSG_GETPARAMETER, HTTPD_MSG_PAUSE, HTTPD_MSG_PLAY, HTTPD_MSG_SETUP, HTTPD_MSG_TEARDOWN, httpd_UrlCatch(), httpd_UrlNewUnique(), vlc_url_t::i_port, rtsp_stream_t::lock, msg_Dbg, rtsp_stream_t::owner, rtsp_stream_t::port, vlc_url_t::psz_host, vlc_url_t::psz_path, rtsp_stream_t::psz_path, RtspCallback(), RtspUnsetup(), rtsp_stream_t::sessionc, rtsp_stream_t::sessionv, strdup(), rtsp_stream_t::track_id, rtsp_stream_t::url, vlc_mutex_init(), and VLC_OBJECT.

Referenced by SDPHandleUrl().

void RtspUnsetup

(

rtsp_stream_t *

rtsp

)

References rtsp_stream_t::host, httpd_HostDelete(), httpd_UrlDelete(), rtsp_stream_t::lock, rtsp_stream_t::psz_path, RtspClientDel(), rtsp_stream_t::sessionc, rtsp_stream_t::sessionv, rtsp_stream_t::url, and vlc_mutex_destroy().

Referenced by RtspSetup().

char* SDPGenerate	(	sout_stream_t *	p_stream,
		const char *	rtsp_url
	)

References AUDIO_ES, sout_stream_sys_t::es, sout_stream_id_t::fd, i, sout_stream_id_t::i_bitrate, sout_stream_id_t::i_cat, sout_stream_id_t::i_channels, sout_stream_id_t::i_clock_rate, sout_stream_sys_t::i_es, sout_stream_id_t::i_payload_type, sout_stream_id_t::i_port, IPPROTO_DCCP, IPPROTO_UDPLITE, sout_stream_id_t::listen, sout_stream_sys_t::lock_es, sout_stream_t::p_sys, sout_stream_sys_t::proto, sout_stream_sys_t::psz_destination, sout_stream_id_t::psz_enc, sout_stream_id_t::psz_fmtp, sout_stream_sys_t::rtcp_mux, rtp_sink_t::rtp_fd, sout_stream_id_t::rtsp_id, RtspAppendTrackPath(), sdp_AddAttribute(), sdp_AddMedia(), sout_stream_id_t::sinkv, SPU_ES, unlikely, VIDEO_ES, vlc_mutex_lock(), vlc_mutex_unlock(), and vlc_sdp_Start().

void SendRTCP	(	rtcp_sender_t *restrict	rtcp,
		const block_t *	rtp
	)

References GetDWBE, block_t::i_buffer, NTPtime64(), block_t::p_buffer, SetDWBE, and SetQWBE.

Referenced by ThreadSend().